What exactly do you want t mod in? A character? Stage?
In most cases, if you want to make an existing character, you technically don't even need to 3D model at all, you're pretty much taking a character, resizing them to fit bones, and rigging them to the bones.
In most cases, if you want to make an existing character, you technically don't even need to 3D model at all, you're pretty much taking a character, resizing them to fit bones, and rigging them to the bones.